<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title></title>
  </head>
  <body>
  	<div class="box">
  		<input class="active" type="button" value="按钮一"/>
	    <input type="button" value="按钮二"/>
	    <input type="button" value="按钮三"/>
      <ul class="ul">
      	<li class="show">内容一</li>
      	<li>内容二</li>
      	<li>内容三</li>
      </ul>
  	</div>
  </body>
  <!--<script src="js/index.js"></script>-->
  <script src="bundle.js"></script>
</html>
